Seal



FIG. 1 is a front view of a seal showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a left view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a cross-sectional view of the portion VIII-VIII of FIG. 3thereof.

CLAIM The ornamental design for a seal, as shown and described.